3125800000 has 84 divisors (see below), whose sum is σ = 7753449060. Its totient is φ = 1250240000.

The previous prime is 3125799961. The next prime is 3125800021. The reversal of 3125800000 is 85213.

It is a happy number.

3125800000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 1494286336 + 1631513664 = 38656^2 + 40392^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 192186 + ... + 207814.

It is an arithmetic number, because the mean of its divisors is an integer number (92302965).

Almost surely, 2^3125800000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3125800000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3876724530).

3125800000 is an abundant number, since it is smaller than the sum of its proper divisors (4627649060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3125800000 is an frugal number, since it uses more digits than its factorization.

3125800000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15666 (or 15636 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 3125800000 is about 55908.8543971346. The cubic root of 3125800000 is about 1462.1336165521.

Adding to 3125800000 its reverse (85213), we get a palindrome (3125885213).

It can be divided in two parts, 3125 and 800000, that multiplied together give a square (2500000000 = 50000²).

The spelling of 3125800000 in words is "three billion, one hundred twenty-five million, eight hundred thousand".